Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing our new design.

The broken lines showing a portion of a display screen illustrates environmental structure that forms no part of the claimed design. All other broken lines showing text and other elements illustrate portions of the graphical user interface that forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 